Output-side subassembly of a mill drive system and mill drive system
a technology of drive system and drive shaft, which is applied in the field of output-side sub-assembly of mill drive system and mill drive system, can solve the problems of insufficient compensation of excessive constraining force, drive pinion, and inability of the crowned denture clutch to compensate superposed alignment errors
Active Publication Date: 2013-10-01
FLENDER GMBH
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Benefits of technology
The invention provides an output-side subassembly for a mill drive system that can protect the system from forces during a grinding process. It includes an output flange that absorbs forces and a mounting base that simplifies the installation. The output flange is supported by multiple bearings with lubricant gaps. The subassembly also includes a toothed ring that connects to a spur pinion of a drive module. By using a rigid annular base, unevennesses in the mounting surface can be compensated and the cost of installation can be reduced. Additionally, the subassembly effectively isolates the output flange from forces produced by the treatment process.
Problems solved by technology
However, the crowned denture clutches cannot compensate superposed alignment errors.
A tiltably movable mounting is provided for the drive pinion, but is not sufficient for compensating excessive constraining forces.
The foundation or the frame may for manufacturing reasons have, on a bearing surface for the housing parts, pronounced dimensional and planeness tolerances which result in considerable height differences.
Method used
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[0020]The output-side subassembly, illustrated in FIG. 1, of a mill drive system has an output flange 1, connectable to a grinding dish, for absorbing forces occurring in a grinding process. An annular basic element 3 is mounted on a foundation 2 by means of fastening elements 4. The basic element 3 comprises a hollow annular element 6 which projects beyond a basic body 5 connected to the foundation 2 and which has a predeterminable rigidity. For supporting the output flange 1, a plurality of axial plain bearing segments 7 are arranged essentially equidistantly with respect to one another on the annular element 6. This may also be gathered from the cross-sectional illustration according to FIG. 4. Between the output flange 1 and the axial plain bearing segments 7 are formed in each case lubricating gaps 8, by means of which the output flange 1 is mounted axially, using plain bearings. A toothed ring, not illustrated explicitly in the figures, may be connected to the output flange 1 ...
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An output-side subassembly of a mill drive system is provided. The subassembly includes an output flange, connectable to a grinding dish, for absorbing forces occurring in a grinding process. Moreover, an annular basic element which is mountable on a foundation or carrier element is provided. For supporting the output flange, a plurality of axial plain bearing segments are arranged essentially equidistantly with respect to one another on the annular basic element. In this case, lubricating gaps are formed in each case between the output flange and the axial plain bearing segments.
Description
CROSS REFERENCE TO RELATED APPLICATIONS[0001]This application claims priority of German Patent Application No. 10 2010 007 929.4 DE filed Feb. 12, 2010, which is incorporated by reference herein in its entirety.FIELD OF INVENTION[0002]The invention relates to an output-side subassembly of a mill drive system and to a mill drive system which comprises such an output-side subassembly.BACKGROUND OF INVENTION[0003]Known mill drive systems often comprise a large toothed ring which is arranged in spatial proximity to the treatment process. The toothed ring, together with further gear stages and with one or more electric motors, frequently forms a drive train. The further gear stages are usually arranged in a dedicated gear case which has to be aligned exactly with a common foundation.[0004]DE 35 34 940 A1 describes a drive device for a toothed ring of a rotary tube, the drive power of which drive device is branched in a gear case to two output pinions meshing with a toothed ring. For free...
Claims
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IPC IPC(8): B02C19/00
CPCB02C15/006
Inventor HOFFMANN, BERNHARDSCHROER, DIRK
Owner FLENDER GMBH